mirror of https://github.com/dunwu/db-tutorial.git
90 lines
2.8 KiB
JavaScript
90 lines
2.8 KiB
JavaScript
export default () => {
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if (typeof window !== 'undefined') {
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;(function (e, t, a) {
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function r() {
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for (var e = 0; e < s.length; e++)
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s[e].alpha <= 0
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? (t.body.removeChild(s[e].el), s.splice(e, 1))
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: (s[e].y--,
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(s[e].scale += 0.004),
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(s[e].alpha -= 0.013),
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(s[e].el.style.cssText =
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'left:' +
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s[e].x +
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'px;top:' +
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s[e].y +
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'px;opacity:' +
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s[e].alpha +
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';transform:scale(' +
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s[e].scale +
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',' +
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s[e].scale +
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') rotate(45deg);background:' +
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s[e].color +
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';z-index:99999'))
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requestAnimationFrame(r)
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}
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function n() {
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var t = 'function' == typeof e.onclick && e.onclick
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e.onclick = function (e) {
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// 过滤指定元素
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let mark = true
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EXCLUDECLASS &&
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e.path &&
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e.path.forEach((item) => {
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if (item.nodeType === 1) {
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typeof item.className === 'string' && item.className.indexOf(EXCLUDECLASS) > -1 ? (mark = false) : ''
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}
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})
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if (mark) {
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t && t(), o(e)
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}
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}
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}
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function o(e) {
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var a = t.createElement('div')
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;(a.className = 'heart'),
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s.push({
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el: a,
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x: e.clientX - 5,
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y: e.clientY - 5,
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scale: 1,
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alpha: 1,
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color: COLOR
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}),
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t.body.appendChild(a)
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}
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function i(e) {
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var a = t.createElement('style')
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a.type = 'text/css'
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try {
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a.appendChild(t.createTextNode(e))
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} catch (t) {
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a.styleSheet.cssText = e
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}
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t.getElementsByTagName('head')[0].appendChild(a)
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}
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// function c() {
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// return "rgb(" + ~~ (255 * Math.random()) + "," + ~~ (255 * Math.random()) + "," + ~~ (255 * Math.random()) + ")"
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// }
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var s = []
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;(e.requestAnimationFrame =
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e.requestAnimationFrame ||
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e.webkitRequestAnimationFrame ||
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e.mozRequestAnimationFrame ||
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e.oRequestAnimationFrame ||
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e.msRequestAnimationFrame ||
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function (e) {
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setTimeout(e, 1e3 / 60)
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}),
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i(
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".heart{width: 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: '';width: inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: fixed;}.heart:after{top: -5px;}.heart:before{left: -5px;}"
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),
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n(),
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r()
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})(window, document)
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}
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}
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